PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12266Cover,hydraulic,pump-Motor

Howden Fluid Systems · NSN 4320-01-496-2049 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-496-2049 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-496-2049. Primary manufacturer part number: 12266.
Features
  • Cover,hydraulic,pump-Motor — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Howden Fluid Systems
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Cover,hydraulic,pump-Motor, cataloged under National Stock Number 4320-01-496-2049, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Howden Fluid Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-496-2049
Primary Part Number12266
Item NameCover,hydraulic,pump-Motor
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerHowden Fluid Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5305-00-132-143412266 INTERCHANGEABLE
Setscrew
Aerosonic Llc
5133-00-228-1358 INTERCHANGEABLE
Drill,twist
5340-00-470-813712266 INTERCHANGEABLE
Handle,bow
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5935-00-870-7042 INTERCHANGEABLE
Shell,electrical Connector
5305-01-129-0410 INTERCHANGEABLE
Screw,machine
5360-01-162-883512266 INTERCHANGEABLE
Spring,helical,compression
Aerco International, Inc. Dba Aerco International Inc
2530-01-251-7506122266 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Liftking Manufacturing Corp
5120-01-430-8006 INTERCHANGEABLE
Socket,socket Wrench
3825-01-512-705601-MB18300 INTERCHANGEABLE
Drive Link,hydraulic Motor
Parkerhannifin Corp Dba Pneutronics Div Mobile Systems Division
5306-01-543-801612266 INTERCHANGEABLE
Bolt,machine
Fasteners Inc.
Cross-Reference Index
Part NumberManufacturer
12266 Howden Fluid Systems (USA)
Related Parts
5305-00-132-1434INTERCHANGEABLE
SETSCREW
12266
5133-00-228-1358INTERCHANGEABLE
DRILL,TWIST
5340-00-470-8137INTERCHANGEABLE
HANDLE,BOW
12266
5935-00-870-7042INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
5305-01-129-0410INTERCHANGEABLE
SCREW,MACHINE
5360-01-162-8835INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12266
2530-01-251-7506INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
122266
5120-01-430-8006INTERCHANGEABLE
SOCKET,SOCKET WRENCH
3825-01-512-7056INTERCHANGEABLE
DRIVE LINK,HYDRAULIC MOTOR
01-MB18300
5306-01-543-8016INTERCHANGEABLE
BOLT,MACHINE
12266

Frequently Asked Questions

What is NSN 4320-01-496-2049?

NSN 4320-01-496-2049 is a Cover,hydraulic,pump-Motor, manufactured by Howden Fluid Systems, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-496-2049?

NSN 4320-01-496-2049 has 1 cross-referenced part number: 12266 (Howden Fluid Systems).

What NSN replaces 4320-01-496-2049?

There are 10 known substitutes for 4320-01-496-2049: 5305-00-132-1434, 5133-00-228-1358, 5340-00-470-8137 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12266?

Key specifications for 12266: End Item Identification: PUMP, HYDRAULIC RAM, HAND DRIVEN, 4320-01-177-1897. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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